SEC CIK 1184498
PORTERA JOSEPH P
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| COSTview stock → | 16,137 | 2021-09-14 |
Position History — COST
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — COST
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2021-09-14 | Grant / award | 9,926 | — | 16,137 |
| 2021-09-14 | Tax withholding | 4,150 | $458.41 | 11,987 |
| 2021-08-13 | Open-market sale | 3,287 | $445.50 | 1,789 |
| 2020-10-09 | Gift | 750 | — | 5,076 |
| 2020-09-29 | Open-market sale | 6,000 | $348.00 | 5,826 |
| 2020-09-16 | J | 6,937 | — | 11,826 |
| 2020-09-16 | J | 6,937 | — | 6,211 |
| 2020-09-14 | Tax withholding | 4,903 | $342.96 | 13,148 |
| 2020-09-14 | Grant / award | 11,840 | — | 18,051 |
| 2019-10-30 | Open-market sale | 14,095 | $299.52 | 5,789 |
| 2019-10-25 | J | 9,637 | — | 19,884 |
| 2019-10-25 | J | 9,637 | — | 6,211 |
| 2019-10-22 | Tax withholding | 1,143 | $299.97 | 21,946 |
| 2019-10-22 | Tax withholding | 1,821 | $299.97 | 20,125 |
| 2019-10-22 | Tax withholding | 2,246 | $299.97 | 17,879 |
| 2019-10-22 | Tax withholding | 2,031 | $299.97 | 15,848 |
| 2019-10-22 | Tax withholding | 679 | $299.97 | 23,089 |
| 2019-09-18 | Grant / award | 13,510 | — | 27,318 |
| 2019-09-18 | Tax withholding | 3,550 | $292.43 | 23,768 |
| 2019-03-11 | Open-market sale | 8,901 | $228.50 | 16,672 |
| 2019-03-11 | Open-market sale | 2,864 | $228.53 | 13,808 |
| 2018-10-25 | J | 3,768 | — | 11,447 |
| 2018-10-25 | J | 3,768 | — | 25,573 |
| 2018-10-22 | Tax withholding | 678 | $229.06 | 25,537 |
| 2018-10-22 | Tax withholding | 679 | $229.06 | 24,858 |
| 2018-10-22 | Tax withholding | 562 | $229.06 | 23,116 |
| 2018-10-22 | Tax withholding | 608 | $229.06 | 23,678 |
| 2018-10-22 | Tax withholding | 572 | $229.06 | 24,286 |
| 2018-10-05 | J | 7,472 | — | 26,215 |
| 2018-10-05 | J | 7,472 | — | 7,679 |
| 2018-10-02 | Grant / award | 12,455 | — | 38,670 |
| 2018-10-02 | Tax withholding | 4,983 | $236.35 | 33,687 |
| 2018-10-02 | Grant / award | 18,680 | — | 44,895 |
| 2017-12-18 | Open-market sale | 10,000 | $193.09 | 207 |
| 2017-10-27 | Gift | 1,500 | — | 10,207 |
| 2017-10-24 | J | 3,947 | — | 11,707 |
| 2017-10-24 | J | 3,947 | — | 26,841 |
| 2017-10-22 | Tax withholding | 643 | $160.77 | 30,788 |
| 2017-10-22 | Tax withholding | 920 | $160.77 | 33,473 |
| 2017-10-22 | Tax withholding | 606 | $160.77 | 31,431 |
| 2017-10-22 | Tax withholding | 718 | $160.77 | 32,037 |
| 2017-10-22 | Tax withholding | 718 | $160.77 | 32,755 |
| 2017-10-02 | Grant / award | 19,570 | — | 39,310 |
| 2017-10-02 | Tax withholding | 5,543 | $165.89 | 33,767 |
| 2017-10-02 | Grant / award | 626 | $165.89 | 34,393 |
| 2017-05-24 | Grant / award | 1,074 | $173.01 | 19,740 |
| 2017-05-24 | Grant / award | 448 | $173.01 | 19,114 |
| 2017-01-10 | J | 356 | — | 7,760 |
| 2017-01-10 | J | 356 | — | 18,666 |
| 2016-12-09 | Open-market sale | 16,921 | $158.38 | 19,022 |
| 2016-10-22 | Tax withholding | 697 | $148.97 | 36,530 |
| 2016-10-22 | Tax withholding | 697 | $148.97 | 37,227 |
| 2016-10-22 | Tax withholding | 892 | $148.97 | 37,924 |
| 2016-10-22 | Tax withholding | 891 | $148.97 | 38,816 |
| 2016-10-22 | Tax withholding | 587 | $148.97 | 35,943 |
| 2016-10-14 | J | 7,404 | — | 7,404 |
| 2016-10-14 | J | 7,404 | — | 39,707 |
| 2016-10-05 | Grant / award | 18,440 | — | 52,004 |
| 2016-10-05 | Tax withholding | 4,893 | $149.98 | 47,111 |
| 2015-10-22 | Tax withholding | 697 | $158.15 | 19,218 |
| 2015-10-22 | Tax withholding | 698 | $158.15 | 19,915 |
| 2015-10-22 | Tax withholding | 893 | $158.15 | 20,613 |
| 2015-10-22 | Tax withholding | 893 | $158.15 | 21,506 |
| 2015-10-22 | Tax withholding | 892 | $158.15 | 22,399 |
| 2015-10-13 | Open-market sale | 10,000 | $152.75 | 23,291 |
| 2015-09-24 | Tax withholding | 5,960 | $144.87 | 70,945 |
| 2015-09-24 | Grant / award | 21,000 | — | 76,905 |
| 2015-02-27 | Grant / award | 1,599 | $146.96 | 55,005 |
| 2014-10-29 | Open-market sale | 15,000 | $131.55 | 53,406 |
| 2014-10-24 | J | 17,645 | — | 68,406 |
| 2014-10-24 | J | 17,645 | — | 29,645 |
| 2014-10-22 | Tax withholding | 3,423 | $130.54 | 94,337 |
| 2014-10-22 | Tax withholding | 2,567 | $130.54 | 97,760 |
| 2014-10-22 | Tax withholding | 1,590 | $130.54 | 100,327 |
| 2014-10-22 | Tax withholding | 4,279 | $130.54 | 90,058 |
| 2014-10-22 | Tax withholding | 4,007 | $130.54 | 86,051 |
| 2014-10-09 | Open-market sale | 4,685 | $130.13 | 101,917 |
| 2014-09-26 | Tax withholding | 2,319 | $125.54 | 106,602 |
| 2014-09-26 | Grant / award | 21,000 | — | 108,921 |
| 2013-10-29 | Open-market sale | 14,900 | $118.29 | 12,000 |
| 2013-10-22 | Tax withholding | 1,711 | $117.81 | 112,914 |
| 2013-10-22 | Tax withholding | 1,712 | $117.81 | 114,625 |
| 2013-10-22 | Tax withholding | 1,711 | $117.81 | 116,337 |
| 2013-10-22 | Tax withholding | 1,711 | $117.81 | 118,048 |
| 2013-10-22 | Tax withholding | 1,711 | $117.81 | 119,759 |
| 2013-09-20 | Grant / award | 25,000 | — | 124,529 |
| 2013-09-20 | Tax withholding | 3,059 | $117.94 | 121,470 |
| 2013-09-20 | Grant / award | 1,907 | $117.94 | 123,377 |
| 2012-12-31 | Open-market sale | 16,000 | $97.34 | 99,529 |
| 2012-12-12 | Grant / award | 2,541 | $98.31 | 115,529 |
| 2012-10-22 | Tax withholding | 1,407 | $95.00 | 117,209 |
| 2012-10-22 | Tax withholding | 1,407 | $95.00 | 112,988 |
| 2012-10-22 | Tax withholding | 1,407 | $95.00 | 114,395 |
| 2012-10-22 | Tax withholding | 1,407 | $95.00 | 115,802 |
| 2012-10-17 | Tax withholding | 1,943 | $96.78 | 118,616 |
| 2012-09-26 | Grant / award | 25,000 | — | 123,244 |
| 2012-09-26 | Tax withholding | 2,685 | $101.00 | 120,559 |
| 2011-10-27 | Open-market sale | 11,745 | $84.45 | 46,991 |
| 2011-10-22 | Tax withholding | 1,407 | $85.30 | 99,651 |
| 2011-10-22 | Tax withholding | 1,407 | $85.30 | 101,058 |
| 2011-10-22 | Tax withholding | 1,407 | $85.30 | 98,244 |
| 2011-10-19 | Tax withholding | 2,081 | $84.38 | 102,465 |
| 2011-10-17 | Tax withholding | 1,949 | $82.36 | 104,546 |
| 2011-10-14 | Open-market sale | 2,309 | $82.37 | 66,987 |
| 2011-10-12 | Open-market sale | 5,199 | $81.95 | 69,296 |
| 2011-09-28 | Tax withholding | 2,685 | $83.79 | 81,495 |
| 2011-09-28 | Grant / award | 25,000 | — | 106,495 |
| 2011-09-28 | Tax withholding | 2,685 | $83.79 | 81,495 |
| 2011-04-17 | Tax withholding | 779 | $76.97 | 84,180 |
| 2010-11-11 | Open-market sale | 15,000 | $64.46 | 52,959 |
| 2010-11-10 | Open-market sale | 3,000 | $64.34 | 67,959 |
| 2010-10-22 | Tax withholding | 1,408 | $64.03 | 84,959 |
| 2010-10-22 | Tax withholding | 1,317 | $64.03 | 86,367 |
| 2010-10-19 | Tax withholding | 1,974 | $62.21 | 87,684 |
| 2010-10-17 | Tax withholding | 1,946 | $63.70 | 89,658 |
| 2010-10-07 | Grant / award | 25,000 | — | 94,289 |
| 2010-10-07 | Tax withholding | 2,685 | $65.26 | 91,604 |
| 2010-05-06 | Open-market sale | 2,000 | $55.17 | 55,289 |
| 2010-04-30 | Option exercise (derivative) | 15,000 | $43.79 | 0 |
| 2010-04-30 | Option exercise | 15,000 | $43.79 | 84,289 |
| 2010-04-30 | Open-market sale | 15,000 | — | 69,289 |
| 2010-04-17 | Tax withholding | 769 | $59.19 | 69,289 |
| 2009-11-09 | Open-market sale | 2,000 | $60.00 | 58,058 |
| 2009-11-04 | Open-market sale | 6,000 | $58.59 | 60,058 |
| 2009-11-03 | Open-market sale | 2,000 | $58.00 | 66,058 |
| 2009-10-30 | Open-market sale | 2,000 | $57.00 | 68,058 |
| 2009-10-22 | Grant / award | 25,000 | — | 74,982 |
| 2009-10-22 | Tax withholding | 4,924 | $58.27 | 70,058 |
| 2009-10-19 | Tax withholding | 1,759 | $59.23 | 49,982 |
| 2009-10-17 | Tax withholding | 1,610 | $58.48 | 51,741 |
| 2009-10-09 | Option exercise (derivative) | 15,000 | $43.79 | 15,000 |
| 2009-10-09 | Open-market sale | 15,000 | — | 53,351 |
| 2009-10-09 | Option exercise | 15,000 | $43.79 | 68,351 |
| 2009-07-27 | Option exercise (derivative) | 15,000 | $37.35 | 0 |
| 2009-07-27 | Open-market sale | 15,000 | — | 53,351 |
| 2009-07-27 | Option exercise | 15,000 | $37.35 | 68,351 |
| 2009-04-17 | Tax withholding | 776 | $45.77 | 53,351 |
| 2009-03-18 | Grant / award | 25 | $43.65 | 54,127 |
| 2008-10-19 | Tax withholding | 2,093 | $57.98 | 54,102 |
| 2008-10-17 | Grant / award | 25,000 | — | 58,305 |
| 2008-10-17 | Tax withholding | 2,110 | $57.98 | 56,195 |
| 2008-04-17 | Tax withholding | 1,030 | $68.49 | 33,592 |
| 2008-04-01 | Option exercise (derivative) | 15,000 | $43.79 | 30,000 |
| 2008-04-01 | Option exercise (derivative) | 15,000 | $37.35 | 15,000 |
| 2008-04-01 | Option exercise (derivative) | 15,000 | $33.75 | 0 |
| 2008-04-01 | Option exercise | 15,000 | $43.79 | 79,622 |
| 2008-04-01 | Option exercise | 15,000 | $37.35 | 64,622 |
| 2008-04-01 | Option exercise | 15,000 | $33.75 | 49,622 |
| 2008-04-01 | Open-market sale | 45,000 | — | 34,622 |
| 2007-10-19 | Grant / award | 25,000 | — | 36,445 |
| 2007-10-19 | Tax withholding | 1,823 | $65.70 | 34,622 |
| 2007-10-19 | Tax withholding | 2,110 | $65.70 | 9,335 |
| 2007-04-17 | Tax withholding | 1,055 | $55.60 | 11,445 |
| 2007-04-03 | Option exercise (derivative) | 15,000 | $33.75 | 15,000 |
| 2007-04-03 | Option exercise (derivative) | 15,000 | $39.25 | 0 |
| 2007-04-03 | Option exercise (derivative) | 15,000 | $43.79 | 45,000 |
| 2007-04-03 | Option exercise (derivative) | 15,000 | $37.35 | 30,000 |
| 2007-04-03 | Open-market sale | 60,000 | $53.99 | 12,500 |
| 2007-04-03 | Option exercise | 15,000 | $39.25 | 27,500 |
| 2007-04-03 | Option exercise | 15,000 | $33.75 | 42,500 |
| 2007-04-03 | Option exercise | 15,000 | $37.35 | 57,500 |
| 2007-04-03 | Option exercise | 15,000 | $43.79 | 72,500 |
| 2006-10-17 | Grant / award | 12,500 | — | 12,500 |
| 2006-04-24 | Option exercise (derivative) | 15,000 | $34.28 | 0 |
| 2006-04-24 | Option exercise | 15,000 | $34.28 | 15,000 |
| 2006-04-24 | Open-market sale | 15,000 | $54.25 | 0 |
| 2006-04-10 | Option exercise (derivative) | 15,000 | $30.41 | 30,000 |
| 2006-04-10 | Option exercise (derivative) | 15,000 | $38.79 | 15,000 |
| 2006-04-10 | Option exercise (derivative) | 15,000 | $37.35 | 45,000 |
| 2006-04-10 | Option exercise (derivative) | 15,000 | $43.79 | 60,000 |
| 2006-04-10 | Option exercise | 15,000 | $43.79 | 60,000 |
| 2006-04-10 | Option exercise | 15,000 | $37.35 | 45,000 |
| 2006-04-10 | Option exercise | 15,000 | $30.41 | 30,000 |
| 2006-04-10 | Option exercise | 15,000 | $38.79 | 15,000 |
| 2006-04-10 | Open-market sale | 60,000 | $55.00 | 0 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.